/*
 * ============================================================================
 *                   GNU Lesser General Public License
 * ============================================================================
 *
 *
 *
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 * 
 *
 *
 */
package rad.framework.security.jpa;

import javax.interceptor.AroundInvoke;
import javax.interceptor.InvocationContext;

/**
 * This interceptor checks READ permissions as defined on each entity bean class
 * with the Permissions and PrincipalsAllowed annotations.
 * 
 * The interceptor can be placed at the session bean class level, at the
 * operation level, or even in the deployment descriptor.
 * 
 * Example:
 * 
 * <pre>
 *    @Interceptors( { AccessPermissionInterceptor.class })
 * </pre>
 * 
 * @author boudyacho
 * 
 */
public class AccessPermissionInterceptor {

	@AroundInvoke
	public Object invoke(InvocationContext ctx) throws Exception {
		Object output = ctx.proceed();
		return PermissionsUtil.filter(output);
	}
}